Respuesta :

DemonicBrain
2y^3+4y^3 is 6y^3
-7y^2+10y^2 is 3y^2 ***NOTE: 10y^2 is from the 6y^2+4y^2
-7y+3y is -4y

Answer: 6y^3+3y^2-3y
jwald26

Answer: 9y8 -4y

you add 2y3+4y3+6y2+4y2 then when you get the answer it should be 16y10 and you take that answer and subtract it from -7y2 and you should get 9y8.

then you go on to subtracting -7y to +3y and you should get -4y.

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